In 2014, Paddington Bear walked off the pages of his cartoon, on to Paddington station and into our cinemas. It soon became an unlikely family favourite. It showcased some of Britain’s best actors – from Hugh Bonneville’s lovingly exasperated patriarch, to Sally Hawkins’ eccentric yet caring mother, and Julie Waters as the comic relief housekeeper. At the film’s soft, furry heart is Paddington, cheerfully…